netdev - [net-next v2 5/8] net: rds: convert tasklets to use new tasklet

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Date:   Wed,  7 Oct 2020 15:42:16 +0530
From:   Allen Pais <allen.lkml@...il.com>
To:     davem@...emloft.net
Cc:     gerrit@....abdn.ac.uk, kuba@...nel.org, edumazet@...gle.com,
        kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        johannes@...solutions.net, alex.aring@...il.com,
        stefan@...enfreihafen.org, santosh.shilimkar@...cle.com,
        jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        steffen.klassert@...unet.com, herbert@...dor.apana.org.au,
        netdev@...r.kernel.org, Allen Pais <apais@...ux.microsoft.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [net-next v2 5/8] net: rds: convert tasklets to use new tasklet_setup() API

From: Allen Pais <apais@...ux.microsoft.com>

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <apais@...ux.microsoft.com>
---
 net/rds/ib_cm.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 06603dd1c..396d6abf8 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -314,9 +314,9 @@ static void poll_scq(struct rds_ib_connection *ic, struct ib_cq *cq,
 	}
 }
 
-static void rds_ib_tasklet_fn_send(unsigned long data)
+static void rds_ib_tasklet_fn_send(struct tasklet_struct *t)
 {
-	struct rds_ib_connection *ic = (struct rds_ib_connection *)data;
+	struct rds_ib_connection *ic = from_tasklet(ic, t, i_send_tasklet);
 	struct rds_connection *conn = ic->conn;
 
 	rds_ib_stats_inc(s_ib_tasklet_call);
@@ -354,9 +354,9 @@ static void poll_rcq(struct rds_ib_connection *ic, struct ib_cq *cq,
 	}
 }
 
-static void rds_ib_tasklet_fn_recv(unsigned long data)
+static void rds_ib_tasklet_fn_recv(struct tasklet_struct *t)
 {
-	struct rds_ib_connection *ic = (struct rds_ib_connection *)data;
+	struct rds_ib_connection *ic = from_tasklet(ic, t, i_recv_tasklet);
 	struct rds_connection *conn = ic->conn;
 	struct rds_ib_device *rds_ibdev = ic->rds_ibdev;
 	struct rds_ib_ack_state state;
@@ -1218,10 +1218,8 @@ int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 	}
 
 	INIT_LIST_HEAD(&ic->ib_node);
-	tasklet_init(&ic->i_send_tasklet, rds_ib_tasklet_fn_send,
-		     (unsigned long)ic);
-	tasklet_init(&ic->i_recv_tasklet, rds_ib_tasklet_fn_recv,
-		     (unsigned long)ic);
+	tasklet_setup(&ic->i_send_tasklet, rds_ib_tasklet_fn_send);
+	tasklet_setup(&ic->i_recv_tasklet, rds_ib_tasklet_fn_recv);
 	mutex_init(&ic->i_recv_mutex);
 #ifndef KERNEL_HAS_ATOMIC64
 	spin_lock_init(&ic->i_ack_lock);
-- 
2.25.1